Home / 2,285.02-3,422-1,308.16

Finding the Fourth Proportional to 2,285.02, 3,422 and 1,308.16

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Solution

The fourth proportional to 2,285.02, 3,422 and 1,308.16 is: 1,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.02 : 3,422 = 1,308.16 : x
  2. Step 2: Convert to fraction form
    2,285.02/3,422 = 1,308.16/x
  3. Step 3: Cross multiply
    2,285.02x = 3,422 × 1,308.16
  4. Step 4: Simplify right side
    2,285.02x = 4,476,523.52
  5. Step 5: Solve for x
    x = 4,476,523.52/2,285.02
  6. Step 6: Final answer
    x = 1,959.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.